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path: root/fuel/deploy/cloud/deployment.py
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###############################################################################
# Copyright (c) 2015 Ericsson AB and others.
# szilard.cserey@ericsson.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
###############################################################################


import common
import os
import shutil
import glob
import yaml
import io
import time

N = common.N
E = common.E
R = common.R
RO = common.RO
exec_cmd = common.exec_cmd
run_proc = common.run_proc
parse = common.parse
err = common.err
log = common.log


class Deployment(object):

    def __init__(self, dea, yaml_config_dir, env_id, node_id_roles_dict,
                 no_health_check):
        self.dea = dea
        self.yaml_config_dir = yaml_config_dir
        self.env_id = env_id
        self.node_id_roles_dict = node_id_roles_dict
        self.no_health_check = no_health_check

    def run_deploy(self):
        WAIT_LOOP = 180
        SLEEP_TIME = 60
        LOG_FILE = 'cloud.log'

        log('Starting deployment of environment %s' % self.env_id)
        run_proc('fuel --env %s deploy-changes | strings | tee %s'
                 % (self.env_id, LOG_FILE))

        ready = False
        for i in range(WAIT_LOOP):
            env = parse(exec_cmd('fuel env --env %s' % self.env_id))
            log('Environment status: %s' % env[0][E['status']])
            r, _ = exec_cmd('tail -2 %s | head -1' % LOG_FILE, False)
            if r:
                log(r)
            if env[0][E['status']] == 'operational':
                ready = True
                break
            elif (env[0][E['status']] == 'error'
                  or env[0][E['status']] == 'stopped'):
                break
            else:
                time.sleep(SLEEP_TIME)
        exec_cmd('rm %s' % LOG_FILE)

        if ready:
            log('Environment %s successfully deployed' % self.env_id)
        else:
            err('Deployment failed, environment %s is not operational'
                % self.env_id)

    def verify_node_status(self):
        node_list = parse(exec_cmd('fuel node list'))
        failed_nodes = []
        for node in node_list:
            if node[N['status']] != 'ready':
                failed_nodes.append((node[N['id']], node[N['status']]))

        if failed_nodes:
            summary = ''
            for node, status in failed_nodes:
                summary += '[node %s, status %s]\n' % (node, status)
            err('Deployment failed: %s' % summary)

    def health_check(self):
        log('Now running sanity and smoke health checks')
        r = exec_cmd('fuel health --env %s --check sanity,smoke --force'
                     % self.env_id)
        log(r)
        if 'failure' in r:
            err('Healthcheck failed!')

    def deploy(self):
        self.run_deploy()
        self.verify_node_status()
        if not self.no_health_check:
            self.health_check()